21041004025

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{1297}}^1\times {\mathrm{15091}}^1$

素因数の和:16441

約数の個数: 24

約数和(自身を含む): 26719963424

約数和(自身を除く): 5678959399

約数列:

[1, 5, 25, 43, 215, 1075, 1297, 6485, 15091, 32425, 55771, 75455, 278855, 377275, 648913, 1394275, 3244565, 16222825, 19573027, 97865135, 489325675, 841640161, 4208200805, 21041004025]

約数ペア:

[(1, 21041004025), (5, 4208200805), (25, 841640161), (43, 489325675), (215, 97865135), (1075, 19573027), (1297, 16222825), (6485, 3244565), (15091, 1394275), (32425, 648913), (55771, 377275), (75455, 278855)]